2447901642 has 8 divisors (see below), whose sum is σ = 4895803296. Its totient is φ = 815967212.

The previous prime is 2447901583. The next prime is 2447901691. The reversal of 2447901642 is 2461097442.

It is a sphenic number, since it is the product of 3 distinct primes.

2447901642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2447901642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203991798 + ... + 203991809.

It is an arithmetic number, because the mean of its divisors is an integer number (611975412).

Almost surely, 2^2447901642 is an apocalyptic number.

2447901642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2447901642 is a wasteful number, since it uses less digits than its factorization.

2447901642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407983612.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2447901642 is about 49476.2735258022. The cubic root of 2447901642 is about 1347.7147697689.

The spelling of 2447901642 in words is "two billion, four hundred forty-seven million, nine hundred one thousand, six hundred forty-two".